{"id":273126,"date":"2026-02-02T10:32:50","date_gmt":"2026-02-02T08:32:50","guid":{"rendered":"https:\/\/www.freeextra.com\/uncategorized\/csf-configuration-guide-for-dynamic-dns-on-directadmin-2\/"},"modified":"2026-04-19T12:01:03","modified_gmt":"2026-04-19T09:01:03","slug":"csf-configuration-guide-for-dynamic-dns-on-directadmin-2","status":"publish","type":"post","link":"https:\/\/www.freeextra.com\/en\/uncategorized\/csf-configuration-guide-for-dynamic-dns-on-directadmin-2\/","title":{"rendered":"CSF Configuration Guide for Dynamic DNS on DirectAdmin"},"content":{"rendered":"<p><strong>Step 1: Add the hostname to csf.dyndns<\/strong><\/p>\n<ul>\n<li>Log in to DirectAdmin at the Admin Level.<\/li>\n<li>Navigate to Extra Features and select ConfigServer Security &amp; Firewall.<\/li>\n<li>Locate the lfd &#8211; Login Failure Daemon section and click the lfd Dynamic DNS button.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns2-37.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-32867 size-full\" src=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns2-37.png\" alt=\"\" width=\"1191\" height=\"661\" srcset=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns2-37.png 1191w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns2-300x166.png 300w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns2-1024x568.png 1024w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns2-768x426.png 768w\" sizes=\"auto, (max-width: 1191px) 100vw, 1191px\" \/><\/a><\/p>\n<p>\u0395\u03ba\u03b5\u03af \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03ac\u03b6\u03b5\u03c3\u03b1\u03b9 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b5\u03af\u03bf \/etc\/csf\/csf.dyndns.<\/p>\n<p><a href=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns3-37.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-32863 size-full\" src=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns3-37.png\" alt=\"\" width=\"1149\" height=\"702\" srcset=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns3-37.png 1149w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns3-300x183.png 300w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns3-1024x626.png 1024w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns3-768x469.png 768w\" sizes=\"auto, (max-width: 1149px) 100vw, 1149px\" \/><\/a><\/p>\n<p>You will now be editing the \/etc\/csf\/csf.dyndns file.<\/p>\n<ul>\n<li>Add your specific rules using the following format:<\/li>\n<li>tcp|in|d=2222|s=your-hostname.dyndns.org<\/li>\n<li>tcp|in|d=777|s=your-hostname.dyndns.org<\/li>\n<\/ul>\n<p>Click Change and then Return.<\/p>\n<h4>Step 2: Enable DYNDNS Settings<\/h4>\n<p><a href=\"https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-32865\" src=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns1-300x209-38.png\" alt=\"\" width=\"300\" height=\"209\" srcset=\"https:\/\/www.freeextra.com\/wp-content\/uploads\/2026\/04\/csv_settings_dyndns1-300x209-38.png 300w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns1-1024x713.png 1024w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns1-768x535.png 768w, https:\/\/www.sbzsystems.com\/wp-content\/uploads\/2026\/02\/csv_settings_dyndns1.png 1056w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<ul>\n<li>Go back to the main CSF menu and click Firewall Configuration.<\/li>\n<li>Search for the following settings and ensure they are configured correctly:\n<ul>\n<li>DYNDNS: Set this to 600 (this performs a resolve every 10 minutes). You can set it to 300 for 5-minute intervals if preferred.<\/li>\n<li>DYNDNS_IGNORE: Ensure this is set to 0 or Off.<\/li>\n<\/ul>\n<\/li>\n<li>Scroll to the bottom and click Change, then click Restart csf+lfd.<\/li>\n<\/ul>\n<p><strong>Step 3: Open the Ports in the Firewall<\/strong><\/p>\n<ul>\n<li>Return to Firewall Configuration.<\/li>\n<li>Find the TCP_IN field (Incoming TCP ports).<\/li>\n<li>Add the ports you wish to use (e.g., 2222 for DirectAdmin, 777, etc.) to the existing list:\n<ul>\n<li>TCP_IN = 22,25,53,80,110,143,443,2222,777<\/li>\n<\/ul>\n<\/li>\n<li>Click Change and then Restart csf+lfd.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Step 1: Add the hostname to csf.dyndns Log in to DirectAdmin at the Admin Level. Navigate to Extra Features and select ConfigServer Security &amp; Firewall. Locate the lfd &#8211; Login Failure Daemon section and click the lfd Dynamic DNS button. \u0395\u03ba\u03b5\u03af \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03ac\u03b6\u03b5\u03c3\u03b1\u03b9 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b5\u03af\u03bf \/etc\/csf\/csf.dyndns. You will now be editing the \/etc\/csf\/csf.dyndns file. Add your [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-273126","post","type-post","status-publish","format-standard","hentry","category-uncategorized","entry"],"yoast_head":"<title>CSF Configuration Guide for Dynamic DNS on DirectAdmin - FREEextra.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.freeextra.com\/en\/uncategorized\/csf-configuration-guide-for-dynamic-dns-on-directadmin-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CSF Configuration Guide for Dynamic DNS on DirectAdmin - FREEextra.com\" \/>\n<meta property=\"og:description\" content=\"Step 1: Add the hostname to csf.dyndns Log in to DirectAdmin at the Admin Level. 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Navigate to Extra Features and select ConfigServer Security &amp; Firewall. Locate the lfd &#8211; Login Failure Daemon section and click the lfd Dynamic DNS button. \u0395\u03ba\u03b5\u03af \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03ac\u03b6\u03b5\u03c3\u03b1\u03b9 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b5\u03af\u03bf \/etc\/csf\/csf.dyndns. You will now be editing the \/etc\/csf\/csf.dyndns file. 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